Area Code Directory
Area Code 978
Browse available prefixes, locations, carriers, and quick path links into deeper phone number pages for this area code. Area-code research is one of the most important parts of reverse phone lookup because it gives visitors a geographic starting point before they inspect a full number.
200Prefixes Listed
MassachusettsLocation
United StatesCountry
978Area Code
Area Code Overview
Area Code978
Primary LocationMassachusetts
CountryUnited States
Prefix Coverage200 listed prefixes
Prefixes in 978
978-201
Walpole
Wireless
978-202
Boston
Landline
978-203
Cambridge
Landline
978-204
Avon
Wireless
978-205
Wilmington
Landline
978-206
Acton
Landline
978-207
Foxboro
Landline
978-208
Foxboro
Landline
978-209
Sudbury
Landline
978-210
Woburn
Wireless
978-212
Cambridge
Landline
978-213
Topsfield
Landline
978-214
Wilmington
Landline
978-215
Boston
Landline
978-216
Bedford
Landline
978-217
Woburn
Landline
978-218
Marlborough
Landline
978-219
Boston
Landline
978-221
North Billerica
Landline
978-222
Cambridge
Landline
978-223
Boston
Landline
978-224
Acton
Landline
978-225
Lawrence
Landline
978-226
Marlborough
Landline
978-227
Marlborough
Landline
978-228
Norton
Wireless
978-229
Cambridge
Landline
978-230
Boston
Landline
978-231
Quincy
Landline
978-232
Beverly
Landline
978-233
Cambridge
Landline
978-234
Cambridge
Landline
978-235
Norton
Wireless
978-236
Beverly
Landline
978-237
Bedford
Landline
978-238
Bedford
Landline
978-239
Avon
Wireless
978-240
Franklin
Landline
978-241
Marlborough
Landline
978-242
Norton
Landline
978-243
Bedford
Landline
978-244
Chelmsford
Landline
978-245
Concord
Landline
978-246
Quincy
Landline
978-247
Andover
Landline
978-248
Athol
Landline
978-249
Athol
Landline
978-250
Chelmsford
Landline
978-251
North Chelmsford
Landline
978-252
Bedford
Landline
978-253
Boston
Landline
978-254
Bedford
Landline
978-255
Foxboro
Landline
978-256
Chelmsford
Landline
978-257
Westborough
Wireless
978-258
Foxboro
Landline
978-259
Boston
Landline
978-261
Framingham
Landline
978-262
Billerica
Landline
978-263
Acton
Landline
978-264
Acton
Landline
978-265
Lexington
Wireless
978-266
Acton
Landline
978-267
Boston
Landline
978-268
Boston
Landline
978-269
Worcester
Landline
978-270
North Billerica
Wireless
978-272
Bedford
Landline
978-273
North Billerica
Wireless
978-274
Cambridge
Landline
978-275
Lowell
Landline
978-276
North Reading
Landline
978-277
Cambridge
Landline
978-278
Boston
Landline
978-279
Charlestown
Landline
978-280
Concord
Landline
978-281
Gloucester
Landline
978-282
Gloucester
Landline
978-283
Gloucester
Landline
978-284
Wilmington
Landline
978-285
Quincy
Landline
978-286
Bedford
Landline
978-287
Concord
Landline
978-289
Avon
Landline
978-290
North Billerica
Wireless
978-291
Worcester
Landline
978-292
Lawrence
Landline
978-293
Boston
Landline
978-294
Billerica
Landline
978-295
Bedford
Landline
978-296
Boston
Landline
978-297
Winchendon
Landline
978-298
Acton
Landline
978-299
Cambridge
Landline
978-300
Bedford
Landline
978-301
Cambridge
Landline
978-302
Westborough
Wireless
978-303
Boston
Landline
978-304
Foxboro
Landline
978-305
Woburn
Wireless
978-306
Somerville
Landline
978-307
Sudbury
Landline
978-308
Worcester
Landline
978-309
Lawrence
Landline
978-310
Marlborough
Landline
978-312
Foxboro
Landline
978-313
Marlborough
Landline
978-314
North Billerica
Wireless
978-315
Bedford
Landline
978-316
Concord
Landline
978-317
Cambridge
Wireless
978-318
Concord
Landline
978-319
Avon
Landline
978-320
Woburn
Wireless
978-322
Lowell
Landline
978-323
Lowell
Landline
978-324
Franklin
Landline
978-325
Cambridge
Landline
978-326
Marlborough
Landline
978-327
Norton
Landline
978-328
Norton
Landline
978-329
Lawrence
Landline
978-330
Cambridge
Landline
978-331
Cambridge
Landline
978-332
Chelmsford
Landline
978-333
Walpole
Wireless
978-334
Quincy
Landline
978-335
Norton
Wireless
978-336
Quincy
Landline
978-337
North Billerica
Wireless
978-338
Cambridge
Landline
978-339
Cambridge
Landline
978-340
Cambridge
Landline
978-341
Concord
Landline
978-342
Fitchburg
Landline
978-343
Fitchburg
Landline
978-344
Boston
Landline
978-345
Fitchburg
Landline
978-346
Merrimac
Landline
978-347
Bedford
Landline
978-348
Fitchburg
Landline
978-349
Charlestown
Landline
978-352
Georgetown
Landline
978-353
Fitchburg
Landline
978-354
Salem
Landline
978-355
Barre
Landline
978-356
Ipswich
Landline
978-357
Acton
Landline
978-358
Marlborough
Landline
978-359
Quincy
Landline
978-360
Lexington
Wireless
978-361
Bedford
Landline
978-362
Foxboro
Landline
978-363
West Newbury
Landline
978-364
Bedford
Landline
978-365
Clinton
Landline
978-366
Sudbury
Landline
978-367
Chelmsford
Landline
978-368
Clinton
Landline
978-369
Concord
Landline
978-370
North Reading
Landline
978-371
Concord
Landline
978-372
Haverhill
Landline
978-373
Haverhill
Landline
978-374
Haverhill
Landline
978-375
Lexington
Wireless
978-376
Cambridge
Wireless
978-377
Boston
Landline
978-378
Boston
Landline
978-379
Boston
Landline
978-380
North Billerica
Landline
978-381
Cambridge
Landline
978-382
North Billerica
Wireless
978-383
Quincy
Landline
978-384
Marlborough
Landline
978-385
Franklin
Landline
978-386
Ashby
Landline
978-387
Cambridge
Wireless
978-388
Amesbury
Landline
978-389
Quincy
Landline
978-390
Norton
Wireless
978-391
Framingham
Landline
978-392
Westford
Landline
978-393
Bedford
Landline
978-394
Norton
Wireless
978-395
Bedford
Landline
978-396
Worcester
Landline
978-397
Norton
Wireless
978-398
Chelmsford
Landline
978-399
Westford
Landline
978-400
Bedford
Landline
978-401
Cambridge
Landline
978-402
Marlborough
Landline
978-403
Boston
Landline
978-404
Woburn
Wireless
978-405
Boston
Landline
978-406
Norton
Wireless
978-407
Avon
Wireless
978-408
Woburn
Wireless
978-409
Foxboro
Landline
Why area code pages matter in reverse phone lookup
Area code pages help visitors understand the wider calling region connected to a number. While a full reverse phone lookup page focuses on one specific caller, an area code page shows the bigger picture by grouping prefixes, cities, and carrier patterns under the same first three digits. This makes it easier to spot whether a number appears local, regional, or part of a service area the visitor already recognizes.
For phone directory websites, area code pages also improve browsing. A user can start with a missed call, discover the number's first three digits, and then move into the related area code to see supporting location data and a list of active prefixes. That layered navigation creates a better research experience and gives visitors more confidence when they continue into a specific number page.